{ARK Documentation} Minor additions

Summary:
Adding SW requirments to eye gaze calibration.

Adding Aria glasses videos

Reviewed By: alsun2001

Differential Revision: D52425105

fbshipit-source-id: 3c47c32c273a6adcd9128260c508169e47f7e3c7

website/docs/ARK/about_ARK.mdx

@@ -43,7 +43,7 @@ To be able to use Aria glasses you will need to use the [Aria Mobile Companion a
 If you're using Android, your mobile device will need:
 - Android OS version 10 or above installed
 - ARM64 processor preferred
-- ARCore Depth API (https://developers.google.com/ar/devices) support needed for eye-tracking calibration
+- (Optional) ARCore Depth API (https://developers.google.com/ar/devices) support needed for [eye-tracking calibration](mps/eye_gaze_calibration.mdx)
 - 64-bit is preferred, although 32-bit is supported
 
 Go to the [ARK SW Downloads and Updates page](/docs/ARK/ark_downloads) to get this software.
@@ -54,6 +54,7 @@ Go to the [ARK SW Downloads and Updates page](/docs/ARK/ark_downloads) to get th
 ```
 If you're using iOS:
 - OS version must be iOS 14 or above
+- (Optional) TrueDepth camera (iPhone X or later) needed for [eye-tracking calibration](mps/eye_gaze_calibration.mdx)
 - On your phone, [follow this invitation link](https://testflight.apple.com/join/G9sm51a8) to download the app from TestFlight
 
 Go to the [ARK SW Downloads and Updates page](/docs/ARK/ark_downloads) for more information about downloading or updating software.

website/docs/ARK/glasses_manual/fit_and_comfort.mdx

@@ -9,6 +9,12 @@ import useBaseUrl from '@docusaurus/useBaseUrl'
 ## Overview
 There are a few adjustments you can make to your Project Aria glasses to get a more comfortable fit.
 
+<video width="800" controls>
+  <source src={useBaseUrl('img/ARK/fit/fit_and_comfort.mp4')} type="video/mp4"/>
+  Your browser does not support the video tag. Video of a person adjusting Project Aria glasses temple arm tips and nosepads.
+</video>
+
+
 ## Ideal Fit
 
 * **Proper frame width:** The device should match the overall width of your head. When too small, the device will be compressing on the sides of your head creating marks. When too large, the temple arms will feel too loose and not secure.
@@ -57,9 +63,9 @@ An ideal fit is achieved by making sure the full surface of the soft nose pad is
 
 The ends of Project Aria Device arms are flexible, allowing you to make small adjustments to increase wearing comfort. Using your hands, you can bend the tips inward to make it tighter behind the ears or outward to make it looser.
 
-<video width="300" controls>
+<video width="800" controls>
   <source src={useBaseUrl('img/ARK/fit/flexible_temple_arms.mp4')} type="video/mp4"/>
-  Your browser does not support the video tag. Video of the tips of Project Aria glasses being gently bent inwards.
+  Your browser does not support the video tag. Video of the tips of Project Aria glasses being bent inwards and outwards.
 </video>
 
 

website/docs/ARK/glasses_manual/glasses_user_manual.mdx

@@ -23,14 +23,22 @@ The Aria Research Kit (ARK) provides Project Aria glasses, services and tools to
 - **Water & liquids.** Your Glasses are resistant to water splashes but are not designed for submersion in water or extended exposure to water or other liquids. If water exposure occurs, dry your Glasses thoroughly and clear the charging areas of residue or other debris.
 - **Cleaning.** Clean using a microfiber cloth or a lens cleaning wipe. Do not soak, rinse, or submerge.
 
+### You can't fold the glasses, but you can adjust the tips of the temple arms
 
-### Detailed Cleaning Instructions
+<video width="800" controls>
+  <source src={useBaseUrl('img/ARK/fit/flexible_temple_arms.mp4')} type="video/mp4"/>
+  Your browser does not support the video tag. Video of temple arm tips being adjusted.
+</video>
+
+Go to the [Fit and Comfort page](fit_and_comfort.mdx) for more tips about adjusting your glasses.
+
+## Detailed Cleaning Instructions
 
-#### To sanitize
+### To sanitize
 
 Use 70% pre moistened alcohol lens wipes with a light touch.
 
-#### To clean
+### To clean
 
 Clean the eyeglass lenses with a dry microfiber cloth or with a traditional lens cleaner available at any optical store.
 
@@ -64,12 +72,20 @@ or
 1. Hold the power button for 3-5 seconds.
 2. Continue holding the button when you see the LED flash green once. You can release the button once you see the LED turn solid blue.
 
-![Project Aria Glasses Powered on LED](/img/ARK/glasses_manual/aria_power_button.png)
+<video width="800" controls>
+  <source src={useBaseUrl('img/ARK/glasses_manual/powering_on.mp4')} type="video/mp4"/>
+  Your browser does not support the video tag. Video of Project Aria glasses being turned on.
+</video>
 
 ### Powering Off
 
-_Hold the power button for 5 seconds and release_.
-Powering off will NOT be instantaneous. It may take several seconds for the LED to turn off.
+1. Hold the power button for 5 seconds and release
+  * It may take several seconds for the LED to turn off.
+
+<video width="800" controls>
+  <source src={useBaseUrl('img/ARK/glasses_manual/powering_off.mp4')} type="video/mp4"/>
+  Your browser does not support the video tag. Video of Project Aria glasses being turned off.
+</video>
 
 ### Privacy Switch
 
@@ -78,8 +94,10 @@ The Privacy Switch, located underneath the right arm, toggles privacy mode on/of
 * When the privacy switch is engaged, the Aria glasses cannot record data.
 * Any active recordings will be stopped and deleted when the switch is engaged.
 
-![Project Aria Device Privacy Switch](/img/ARK/glasses_manual/aria_privacy_switch.png)
-
+<video width="800" controls>
+  <source src={useBaseUrl('img/ARK/glasses_manual/privacy_switch.mp4')} type="video/mp4"/>
+  Your browser does not support the video tag. Video of privacy switch being toggled on and off.
+</video>
 
 ### Capture Button
 
@@ -90,6 +108,7 @@ The Privacy Switch, located underneath the right arm, toggles privacy mode on/of
 
 Please note, it may take several seconds for your recording to start or stop. The larger the recording, the longer it will take to finish indexing and stop the recording.
 
+
 ![Aria Capture Button](/img/ARK/glasses_manual/aria_capture_button.png)
 
 ### Proximity Sensor

website/docs/ARK/mps/eye_gaze_calibration.mdx

@@ -42,6 +42,26 @@ Eye gaze calibration is not the same as Aria device calibration. For information
 
 :::
 
+## HW & SW Requirements
+
+### Android
+
+#### Hardware
+* ARCore Depth API (https://developers.google.com/ar/devices) support
+
+#### Software
+* Google Play Services for AR (https://play.google.com/store/apps/details?id=com.google.ar.core)
+    * For phones that have ARCore Depth API capabilities, it's normally installed by default
+    * You'll see the error message "Please check that Google Play Services for AR is installed" if you don't have ARCore Depth API installed.
+
+### iOS
+
+#### Hardware
+* TrueDepth camera (iPhone X or later)
+
+#### Software
+* iOS 14 or later
+
 ## How to Collect In-Session Eye Gaze Calibration
 
 In-Session Eye Gaze Calibration can only be initiated via the Mobile Companion App. Follow these steps for any recording where you may wish to generate Calibrated Eye Gaze MPS.